Added AXE_xx macros and assertions for alignment

CVS patchset: 2856
CVS date: 2002/10/19 01:29:43

1 files changed, 26 insertions, 11 deletions

diff --git a/src/xine-engine/bswap.h b/src/xine-engine/bswap.h
index 276dfcbf7..3fd7f4565 100644
--- a/src/xine-engine/bswap.h
+++ b/src/xine-engine/bswap.h
@@ -11,6 +11,7 @@
 #else
 
 #include <inttypes.h>
+#include <assert.h>
 
 #ifdef ARCH_X86
 inline static unsigned short ByteSwap16(unsigned short x)
@@ -90,12 +91,6 @@ inline static unsigned long long int ByteSwap64(unsigned long long int x)
 #define le2me_64(x) (x)
 #endif
 
-#ifdef FPM_SPARC
-
-/*
- * Workaround for code generation bug in gcc on SPARC
- */
-
 #define BE_16(x)  ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
 #define BE_32(x)  ((((uint8_t*)(x))[0] << 24) | \
                    (((uint8_t*)(x))[1] << 16) | \
@@ -106,22 +101,42 @@ inline static unsigned long long int ByteSwap64(unsigned long long int x)
                    (((uint8_t*)(x))[2] << 16) | \
                    (((uint8_t*)(x))[1] << 8) | \
                     ((uint8_t*)(x))[0])
+#ifdef DEBUG
+
+inline static void* check_ptr_alignment(void* ptr, int align)
+{
+  assert((int)ptr % align == 0);
+  return ptr;
+}
+
+#define ABE_16(x) (be2me_16(*(uint16_t*)check_ptr_alignment((x), 2)))
+#define ABE_32(x) (be2me_32(*(uint32_t*)check_ptr_alignment((x), 4)))
+#define ALE_16(x) (le2me_16(*(uint16_t*)check_ptr_alignment((x), 2)))
+#define ALE_32(x) (le2me_32(*(uint32_t*)check_ptr_alignment((x), 4)))
 
 #else
 
-#define BE_16(x) (be2me_16(*(uint16_t*)(x)))
-#define BE_32(x) (be2me_32(*(uint32_t*)(x)))
-#define LE_16(x) (le2me_16(*(uint16_t*)(x)))
-#define LE_32(x) (le2me_32(*(uint32_t*)(x)))
+#define ABE_16(x) (be2me_16(*(uint16_t*)(x)))
+#define ABE_32(x) (be2me_32(*(uint32_t*)(x)))
+#define ALE_16(x) (le2me_16(*(uint16_t*)(x)))
+#define ALE_32(x) (le2me_32(*(uint32_t*)(x)))
 
-#endif /* !FPM_SPARC */
+#endif
 
 #ifdef WORDS_BIGENDIAN
+
 #define ME_16(x) BE_16(x)
 #define ME_32(x) BE_32(x)
+#define AME_16(x) ABE_16(x)
+#define AME_32(x) ABE_32(x)
+
 #else
+
 #define ME_16(x) LE_16(x)
 #define ME_32(x) LE_32(x)
+#define AME_16(x) ALE_16(x)
+#define AME_32(x) ALE_32(x)
+
 #endif
 
 #endif